Improvement in anti-friction bearings for rotary shafts and axles



' 3 Sheets'-Sheet 1. 'JLLANGEiz A. EISENBRAUN. Anti-Friction Bearingsfor Rotary Shafts and Axles.

N0.-198,987. Pa tented Jan. 3,1878.

' vn 0 i -a C) N. PETERS, PHOTOLITHOGRAPHER. WASHINGTON, D C.

'3 Sheet sssss e132 'JI-LANGE EiSENBRAUN.

A nti-Frictio ar ing Rotary Shaftsa-nd Axles.

No.198, T. Patented Jan. 8,1878.

1 3 Sheets- -Sheet a. J. LANGE 8v A. E'ISENBRAUN. Anti-Friction Bearingsfo r Rotary Shafts and Axlem No.'198,'9 87. Patented Jan. 8, I878.

MPETERB. PKOYO-LJTHOGRAPHER, WASHINGTON. D. C.

UNITED STATES PATENT QFFICE.

JULIUS LAN GE AN D ALWIN EISENBRAUN, OF LODZ, POLAND, RUSSIA.

IMPROVEMENT IN ANTI-FRICTION BEARINGS FOR ROTARY SHAFTS AND AXLES.

Specification forming part of Letters Patent No. 198,987, dated January8, 1878 application filed September 24, 1877.

To all whom it may concern:

Be it known that we, JULIUS LANGE and ALWIN EISENBRAUN, ofLodz, in theKingdom of Poland, Russia, have invented certain Improvements inBearings for Botary Shafts and Axles, of which the following is aspecification:

The object of this invention is, by an improved arrangement andcombination of rollers, runners, or anti-friction pulleys andsupporting-rings, to construct bearings for shafting-axles ofrailway-carriages, tram-cars, and. other rotary axles in such manner asto reduce the friction.

The construction of the apparatus will be fully understood on referenceto the accompanying drawings, aided by the description thereof.

Figure l is a front elevation of a bearing constructed according to ourinvention. Fig. 2 is a horizontal section on the line a b, Fig.

1. Fig. 3 is a detail transverse section of the shaft or axle and itssurrounding rollers.

Fig. 4 is a detail elevation of one of the supporting end rings; Fig. 5,a detail central section thereof on the line y 3 Fig. 4. Figs. 6 and 7are detail face views of a roller and runner. Fig. 8 shows wall-box forpreventing lateral or endwise movement of the shaft or axles.

Similar letters of reference indicate corresponding parts in allthefigures.

A is the shaft or axle, supported on and surrounded by the rollers B B BB, to which it communicates rotation.

The rollers B B B B run on the anti-friction runners. O G O G, thelatter rolling upon the inner flange of two parallel rings, F F, whichalso rotate with the rollers and axle.

The rollers B B B B are spaced or retained at proper distances apartfrom each other by the intervening rollers H'H H H, the ends of whichroll upon the outer flanges E of the rings F F. The rollers B B B B andH H H H are pressed or cut to less diameter near each end, as shown atmin Figs. 6 and 7, and. into these recesses fit projecting lips n,formed on the cap R and neck 1? of the journal-box, and on the innerflanges E of the rings F, in order to prevent lateral or endwise motionof the rollers B B B B and H H H H, and to retain the rings F F inposition.

At Fig. 8 we have shown an attachment to be used in connection with ourimproved bearing, and which is to be placed against the end of the shaftA.

L is a ball partly inclosed within a box, M, which, in case of free endshafts having tendency to lateral or endwise motion, will be fixed in awall, or carried by brackets, so that the ball L is free to roll alongwith the motion of the axle orshaft A.

When, from use, one or more of the rollers, B or H, become worn, it willonly be necessary to replace one of them by a larger roller, as accuracyof relative diameter is not necessary to efficiency; or largeranti-friction runners O G O C may be applied to the gudgeons in lieu ofreplacing any of therollers.

The rings F may be made in parts or sections, as shown by drawings.

It will be understood that the number and diameter of the rollers B andH may be varied.

We make no claim to the supporting and running of an axle or shafts uponrollers, per se. 7

What we claim is'- The combination of shaft A and rollers B H, havinggrooves m, with the runners O O, ring F, having flanges E E, neck P, andcap B, having lips a, substantially as specified.

JULIUS LANGE. ALWIN EISENBRAUN.

Witnesses FRITZ NUTTxn, G. SonERsTRoM.

